#3048A4#3048A4

#3048A4 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.151 H 268.4°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#3048A4
RGB	rgb(48, 72, 164)
HSL	hsl(228, 55%, 42%)
HSV	hsv(228, 71%, 64%)
CMYK	cmyk(70.7%, 56.1%, 0%, 35.7%)
CIE-LAB	lab(33.86, 22.95, -52.47)
CIE-LCH	lch(33.86, 57.27, 293.63°)
OKLab	oklab(43.85% -0.0042 -0.151)
OKLCH	oklch(43.85% 0.151 268.4)
XYZ	xyz(10.2348, 7.9424, 36.1084)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3048A4 #A48C30

analogous

#3082A4 #3048A4 #5230A4

triadic

#3048A4 #A43048 #48A430

tetradic

#3048A4 #A43082 #A48C30 #30A452

square

#3048A4 #A43082 #A48C30 #30A452

split-complementary

#3048A4 #A45230 #82A430

monochromatic

#141E45 #223375 #3048A4 #4863C9 #778BD7

Accessibility & contrast

On white

8.11

#3048A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3048A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3048A4

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3048A4	#FFFFFF	#000000	##FFFFFF
##3048A4	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A7

Deuteranopia (green-blind)

#004BA2

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3048a4;
/* rgb */ color: rgb(48, 72, 164);
/* oklch */ color: oklch(43.8% 0.151 268.4);

Tailwind

colors: {
  custom: {
    50: '#777ac0',
    500: '#3048a4',
    950: '#000000',
  },
}

SCSS

$custom: #3048a4;
$custom-light: #777ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#3048a4",
  "rgb": {
    "r": 48,
    "g": 72,
    "b": 164
  },
  "hsl": {
    "h": 227.586,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43846,
    "c": 0.15111,
    "h": 268.4
  },
  "luminance": 0.07943
}

Semantic roles & 50–950 ramp

primary

#3048A4

secondary

#BFAF70

accent

#BF4ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3048A4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →